JP4719905B2 - 椅子 - Google Patents

椅子 Download PDF

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Publication number
JP4719905B2
JP4719905B2 JP2005328154A JP2005328154A JP4719905B2 JP 4719905 B2 JP4719905 B2 JP 4719905B2 JP 2005328154 A JP2005328154 A JP 2005328154A JP 2005328154 A JP2005328154 A JP 2005328154A JP 4719905 B2 JP4719905 B2 JP 4719905B2
Authority
JP
Japan
Prior art keywords
frame elements
chair
frame
backrest surface
backrest
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
JP2005328154A
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English (en)
Japanese (ja)
Other versions
JP2007143571A (ja
Inventor
伸行 上田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kokuyo Co Ltd
Original Assignee
Kokuyo Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kokuyo Co Ltd filed Critical Kokuyo Co Ltd
Priority to JP2005328154A priority Critical patent/JP4719905B2/ja
Priority to CNB2006100639612A priority patent/CN100566631C/zh
Priority to US11/594,857 priority patent/US7862120B2/en
Priority to DE200660004821 priority patent/DE602006004821D1/de
Priority to AT06123871T priority patent/ATE420577T1/de
Priority to EP20060123871 priority patent/EP1785070B1/de
Publication of JP2007143571A publication Critical patent/JP2007143571A/ja
Priority to JP2011022959A priority patent/JP2011120933A/ja
Application granted granted Critical
Publication of JP4719905B2 publication Critical patent/JP4719905B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C1/00—Chairs adapted for special purposes
    • A47C1/02—Reclining or easy chairs
    • A47C1/031—Reclining or easy chairs having coupled concurrently adjustable supporting parts
    • A47C1/032—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest
    • A47C1/03255—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest with a central column, e.g. rocking office chairs
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C1/00—Chairs adapted for special purposes
    • A47C1/02—Reclining or easy chairs
    • A47C1/031—Reclining or easy chairs having coupled concurrently adjustable supporting parts
    • A47C1/032—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest
    • A47C1/03261—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest characterised by elastic means
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C31/00—Details or accessories for chairs, beds, or the like, not provided for in other groups of this subclass, e.g. upholstery fasteners, mattress protectors, stretching devices for mattress nets
    • A47C31/02—Upholstery attaching means
    • A47C31/023—Upholstery attaching means connecting upholstery to frames, e.g. by hooks, clips, snap fasteners, clamping means or the like
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C7/00—Parts, details, or accessories of chairs or stools
    • A47C7/36—Support for the head or the back
    • A47C7/40—Support for the head or the back for the back
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C7/00—Parts, details, or accessories of chairs or stools
    • A47C7/36—Support for the head or the back
    • A47C7/40—Support for the head or the back for the back
    • A47C7/44—Support for the head or the back for the back with elastically-mounted back-rest or backrest-seat unit in the base frame
    • A47C7/445—Support for the head or the back for the back with elastically-mounted back-rest or backrest-seat unit in the base frame with bar or leaf springs
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C7/00—Parts, details, or accessories of chairs or stools
    • A47C7/36—Support for the head or the back
    • A47C7/40—Support for the head or the back for the back
    • A47C7/44—Support for the head or the back for the back with elastically-mounted back-rest or backrest-seat unit in the base frame
    • A47C7/445—Support for the head or the back for the back with elastically-mounted back-rest or backrest-seat unit in the base frame with bar or leaf springs
    • A47C7/4454—Support for the head or the back for the back with elastically-mounted back-rest or backrest-seat unit in the base frame with bar or leaf springs of torsion type

Landscapes

  • Health & Medical Sciences (AREA)
  • Dentistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
JP2005328154A 2005-10-27 2005-11-11 椅子 Active JP4719905B2 (ja)

Priority Applications (7)

Application Number Priority Date Filing Date Title
JP2005328154A JP4719905B2 (ja) 2005-10-27 2005-11-11 椅子
CNB2006100639612A CN100566631C (zh) 2005-10-27 2006-10-27 椅子
US11/594,857 US7862120B2 (en) 2005-11-11 2006-11-09 Chair
AT06123871T ATE420577T1 (de) 2005-11-11 2006-11-10 Sitz mit flexibler rücklehne
DE200660004821 DE602006004821D1 (de) 2005-11-11 2006-11-10 Sitz mit flexibler Rücklehne
EP20060123871 EP1785070B1 (de) 2005-11-11 2006-11-10 Sitz mit flexibler Rücklehne
JP2011022959A JP2011120933A (ja) 2005-10-27 2011-02-04 椅子

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2005313581 2005-10-27
JP2005313581 2005-10-27
JP2005328154A JP4719905B2 (ja) 2005-10-27 2005-11-11 椅子

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2011022959A Division JP2011120933A (ja) 2005-10-27 2011-02-04 椅子

Publications (2)

Publication Number Publication Date
JP2007143571A JP2007143571A (ja) 2007-06-14
JP4719905B2 true JP4719905B2 (ja) 2011-07-06

Family

ID=37669592

Family Applications (2)

Application Number Title Priority Date Filing Date
JP2005328154A Active JP4719905B2 (ja) 2005-10-27 2005-11-11 椅子
JP2011022959A Pending JP2011120933A (ja) 2005-10-27 2011-02-04 椅子

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP2011022959A Pending JP2011120933A (ja) 2005-10-27 2011-02-04 椅子

Country Status (6)

Country Link
US (1) US7862120B2 (de)
EP (1) EP1785070B1 (de)
JP (2) JP4719905B2 (de)
CN (1) CN100566631C (de)
AT (1) ATE420577T1 (de)
DE (1) DE602006004821D1 (de)

Families Citing this family (82)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5002835B2 (ja) * 2005-10-27 2012-08-15 コクヨ株式会社 部材の接続構造
JP4945781B2 (ja) * 2005-11-11 2012-06-06 コクヨ株式会社 椅子
JP4747311B2 (ja) * 2005-11-11 2011-08-17 コクヨ株式会社 椅子
US20080067850A1 (en) * 2006-09-19 2008-03-20 Permobil Ab Backrest for a chair
WO2008112918A1 (en) * 2007-03-13 2008-09-18 Hni Technologies Inc. Dynamic chair back lumbar support system
EP2252179B1 (de) * 2008-05-26 2012-07-11 Steelcase Inc. Nachgiebige rückseite für eine sitzeinheit
JP2010099106A (ja) * 2008-10-21 2010-05-06 Itoki Corp 椅子用背もたれ及び椅子
JP5524564B2 (ja) * 2009-10-19 2014-06-18 株式会社岡村製作所 椅子の背凭れ
US8272692B1 (en) * 2009-10-26 2012-09-25 Epperson Ronald B Office chair having tiltable seat and back
CN107023096A (zh) 2010-05-05 2017-08-08 奥斯蒂尔公司 用于对接釉面墙板的可移动且可拆解墙板系统
EP2630894A4 (de) * 2010-10-19 2014-11-12 Okamura Corp Stuhl mit armlehne
DE102011100708B4 (de) 2011-05-06 2013-07-11 Haworth, Inc. Sitzmöbel, insbesondere Bürostuhl
DE102011104972B4 (de) 2011-06-08 2015-03-05 Haworth, Inc. Sitzmöbel, insbesondere Bürostuhl
US8888190B2 (en) 2011-10-14 2014-11-18 American Track Roadsters, Inc. Dynamic seating components for wheelchairs
JP5970203B2 (ja) * 2012-03-05 2016-08-17 コクヨ株式会社 椅子
JP6067104B2 (ja) 2012-05-04 2017-01-25 株式会社イトーキ 椅子
CN104582535B (zh) 2012-08-23 2018-02-13 李尔公司 胸区舒适就坐系统
DE102012107778B4 (de) * 2012-08-23 2018-08-16 Haworth Gmbh Stuhl, insbesondere Bürostuhl
CN104602569A (zh) 2012-08-23 2015-05-06 李尔公司 胸区舒适就坐系统
US8998339B2 (en) 2012-09-20 2015-04-07 Steelcase Inc. Chair assembly with upholstery covering
US11304528B2 (en) 2012-09-20 2022-04-19 Steelcase Inc. Chair assembly with upholstery covering
USD697726S1 (en) 2012-09-20 2014-01-21 Steelcase Inc. Chair
US11229294B2 (en) 2012-09-20 2022-01-25 Steelcase Inc. Chair assembly with upholstery covering
WO2014061732A1 (ja) * 2012-10-18 2014-04-24 株式会社岡村製作所 椅子
JP2016512738A (ja) 2013-03-15 2016-05-09 ハワース、インク．Ｈａｗｏｒｔｈ Ｉｎｃｏｒｐｏｒａｔｅｄ 事務用椅子
WO2014144143A1 (en) 2013-03-15 2014-09-18 Hni Technologies Inc. Chair with activated back flex
WO2014196630A1 (ja) * 2013-06-06 2014-12-11 株式会社イトーキ 椅子
WO2015064500A1 (ja) * 2013-10-29 2015-05-07 株式会社岡村製作所 椅子
JP5646725B2 (ja) * 2013-12-26 2014-12-24 株式会社イトーキ ロッキング椅子
US9462889B2 (en) 2014-02-13 2016-10-11 Pro-Cord S.P.A. Chair with a seat and backrest movable in a synchronized way
USD731833S1 (en) 2014-04-17 2015-06-16 Allsteel Inc. Chair
CN106455824A (zh) 2014-04-17 2017-02-22 Hni技术公司 弯曲腰部支撑件
DE102014220695A1 (de) * 2014-10-13 2016-04-28 Haworth Gmbh Stuhl, insbesondere Bürostuhl
USD743180S1 (en) 2014-10-15 2015-11-17 Hni Technologies Inc. Chair
US9801470B2 (en) 2014-10-15 2017-10-31 Hni Technologies Inc. Molded chair with integrated support and method of making same
CN107072398B (zh) * 2014-10-24 2020-07-07 株式会社冈村制作所 家具、椅子用负荷支撑部件以及椅子
DE102015204492A1 (de) * 2015-03-12 2016-09-15 Brose Fahrzeugteile Gmbh & Co. Kommanditgesellschaft, Coburg Massageeinrichtung für einen Fahrzeugsitz
US10194750B2 (en) 2015-04-13 2019-02-05 Steelcase Inc. Seating arrangement
JP6826043B2 (ja) * 2015-04-13 2021-02-03 スティールケース インコーポレイテッド 着座用構成体
US11259637B2 (en) 2015-04-13 2022-03-01 Steelcase Inc. Seating arrangement
US9986839B2 (en) * 2015-04-30 2018-06-05 Mity-Lite, Inc. Banquet chair with outer spring
US9648957B2 (en) * 2015-08-05 2017-05-16 Dongguan Kentec Office Seating Co., Ltd. Chair with back tilt adjustment structure
JP6670069B2 (ja) * 2015-09-30 2020-03-18 株式会社イトーキ 椅子
CN108601453B (zh) 2016-02-05 2021-11-05 佛姆维家具有限公司 椅子和部件
USD779254S1 (en) 2016-02-12 2017-02-21 Haworth, Inc. Armrests for a chair
USD779248S1 (en) 2016-02-12 2017-02-21 Haworth, Inc. Armrests for a chair
USD782241S1 (en) 2016-02-12 2017-03-28 Haworth, Inc. Back support for a chair
USD779251S1 (en) 2016-02-12 2017-02-21 Haworth, Inc. Lumbar support for a chair
USD779253S1 (en) 2016-02-12 2017-02-21 Haworth, Inc. Back support for a chair
USD779252S1 (en) 2016-02-12 2017-02-21 Haworth, Inc. Back support for a chair
US10182657B2 (en) 2016-02-12 2019-01-22 Haworth, Inc. Back support for a chair
USD784749S1 (en) 2016-02-12 2017-04-25 Haworth, Inc. Lumbar support for a chair
USD779250S1 (en) 2016-02-12 2017-02-21 Haworth, Inc. Portion of a back support for a chair
USD782859S1 (en) 2016-02-12 2017-04-04 Haworth, Inc. Back support for a chair
USD779255S1 (en) 2016-02-12 2017-02-21 Haworth, Inc. Headrest for a chair
USD793787S1 (en) 2016-02-12 2017-08-08 Haworth, Inc. Portion of a back support for a chair
DE102016102556A1 (de) * 2016-02-15 2017-08-17 Interstuhl Büromöbel GmbH & Co. KG Rückenlehne für einen Bürostuhl
EP3468417A4 (de) * 2016-06-11 2019-10-30 Humanscale Corporation Stuhl mit gelenkrückenlehne
US10477973B2 (en) * 2016-11-01 2019-11-19 Ergogenesis Workplace Solutions, Llc Ergonomic chair
EP3576573B1 (de) * 2017-02-03 2021-04-07 Zhejiang Sunon Furniture Manufacture Co., Ltd. Stuhl
PL3691497T3 (pl) * 2017-10-05 2024-08-26 Godrej & Boyce Mfg. Co. Ltd. Krzesło do pracy dostosowujące się do postawy
KR101852110B1 (ko) * 2017-10-18 2018-04-25 (주) 파트라 후렉시블 등판부를 구비한 의자
CN109549386B (zh) * 2018-04-12 2024-04-12 浙江胜途家具科技有限公司 一种人体工学座椅
WO2019204714A1 (en) * 2018-04-19 2019-10-24 Cramer Llc Chair having pliable backrest and methods for same
US10932571B2 (en) * 2018-05-31 2021-03-02 Ofs Brands Holdings Inc. Rotatable chair back
US11533998B2 (en) * 2018-10-19 2022-12-27 Kokuyo Co., Ltd. Chair
JP7059896B2 (ja) * 2018-11-01 2022-04-26 トヨタ自動車株式会社 車両用シート
US11589678B2 (en) 2019-01-17 2023-02-28 Hni Technologies Inc. Chairs including flexible frames
EP3927215A4 (de) 2019-02-21 2023-03-15 Steelcase Inc. Körperstützanordnung und verfahren zur verwendung und montage davon
US11357329B2 (en) 2019-12-13 2022-06-14 Steelcase Inc. Body support assembly and methods for the use and assembly thereof
USD961317S1 (en) * 2020-02-19 2022-08-23 Steelcase Inc. Backrest
USD961281S1 (en) 2020-02-19 2022-08-23 Steelcase Inc. Chair
USD937595S1 (en) * 2020-02-19 2021-12-07 Steelcase Inc. Chair
USD936984S1 (en) * 2020-02-19 2021-11-30 Steelcase Inc. Chair
USD936985S1 (en) * 2020-02-19 2021-11-30 Steelcase Inc. Chair
USD935824S1 (en) 2020-02-19 2021-11-16 Steelcase Inc. Seat
USD937024S1 (en) 2020-02-19 2021-11-30 Steelcase Inc. Backrest
USD961280S1 (en) 2020-02-19 2022-08-23 Steelcase Inc. Chair
US11051624B1 (en) * 2020-02-27 2021-07-06 Comfordy Co., Ltd. Twistable chair backrest frame
JP1716410S (ja) * 2020-07-22 2022-06-01 椅子
USD974784S1 (en) * 2020-12-09 2023-01-10 Humanscale Corporation Seat
CN114098335B (zh) * 2021-11-17 2024-01-19 安吉合萱家居有限公司 一种椅子

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000023778A (ja) * 1998-07-09 2000-01-25 Okamura Corp 椅 子
JP2002119375A (ja) * 2000-10-16 2002-04-23 Kokuyo Co Ltd 椅 子
JP2002119366A (ja) * 2000-10-16 2002-04-23 Kokuyo Co Ltd 椅 子
JP2002119373A (ja) * 2000-10-16 2002-04-23 Kokuyo Co Ltd 椅 子
JP2002119357A (ja) * 2000-10-16 2002-04-23 Kokuyo Co Ltd 折り曲げリンク機構

Family Cites Families (73)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US293813A (en) * 1884-02-19 Chair
US2083838A (en) * 1934-05-19 1937-06-15 Fritz Cross Company Chair
NL62657C (de) 1945-04-13 1949-03-15
US2538507A (en) 1946-03-29 1951-01-16 Roy A Cramer Adjustable chair
CH390484A (de) 1961-01-14 1965-04-15 Stoll Kg Christof Drehstuhl
DE2360165C2 (de) * 1973-12-03 1982-11-25 Drabert Söhne Minden (Westf.), 4950 Minden Sitzmöbel mit schwenkbarer Rückenlehne
US4157203A (en) 1977-05-09 1979-06-05 Center For Design Research And Development N.V. Articulated double back for chairs
US4090700A (en) 1977-07-26 1978-05-23 Davis Robert E Spring assister
DE3139448C2 (de) 1981-10-03 1984-06-07 Kusch & Co Sitzmöbelwerke KG, 5789 Hallenberg Stuhl
CH662257A5 (de) 1983-07-20 1987-09-30 Syntech Sa Arbeitsstuhl.
US4549764A (en) * 1983-09-14 1985-10-29 K. L. Spring & Stamping Corporation Flexible chair back
CA1184108A (en) 1984-04-09 1985-03-19 David W. Smith Suspension arrangement for a tilting chair
JPS6141028A (ja) 1984-07-31 1986-02-27 Hino Motors Ltd 繊維強化樹脂製板ばね
GB8425908D0 (en) 1984-10-12 1984-11-21 Anderle E Seat with dynamic lumbar support
DE3630503A1 (de) 1986-09-08 1988-03-10 Girsberger Holding Ag Stuhl
US4709963A (en) * 1986-12-12 1987-12-01 Milsco Manufacturing Company Adjustable office chair
EP0277912B1 (de) * 1987-01-30 1990-09-19 Equus Marketing Ag Stuhl, insbesondere Bürostuhl mit einem Sitz und einer mehrteiligen Rückenlehne
FR2627968A1 (fr) 1988-03-07 1989-09-08 Eurosit Siege articule
US4869552A (en) * 1988-09-14 1989-09-26 Shelby Williams Industries, Inc. Flexible backrest assembly for a chair
US4911501A (en) 1989-06-09 1990-03-27 Harter Corporation Suspension mechanism for connecting chair backs and seats to a pedestal
US5172930A (en) 1991-03-06 1992-12-22 Boye Brian A Load leveling attachment for leaf spring suspension and method therefor
JP2919131B2 (ja) 1991-10-22 1999-07-12 株式会社イトーキクレビオ 椅子の傾動制御装置
US5249839A (en) * 1991-11-12 1993-10-05 Steelcase Inc. Split back chair
ATE94038T1 (de) 1992-01-20 1993-09-15 Stoll Kg Christof Rueckenlehne fuer einen buerostuhl.
JP2616332B2 (ja) 1992-02-07 1997-06-04 コクヨ株式会社 引出し施錠装置
AU7244294A (en) 1993-06-02 1994-12-20 Sava Cvek Articulated support chair
DE9313841U1 (de) * 1993-09-13 1993-12-16 Zapf, Otto, 61462 Königstein Rückenlehne eines Sitzmöbels
DK172786B1 (da) * 1995-05-02 1999-07-19 Haag As Møbel med to op til hinanden liggende drejelige støttedele
JP3278170B2 (ja) * 1996-10-14 2002-04-30 プロトネツド ベスローテン フェンノートシャップ 椅子用フレーム構造、調節機構およびパッド付きカバー
WO1998019579A1 (en) * 1996-11-07 1998-05-14 Charles Owen Perry Flexible chair with adjustable support frame
US5887946A (en) * 1997-01-03 1999-03-30 Raftery Design, Inc. Chair with movable back support
US5951109A (en) * 1997-04-30 1999-09-14 Haworth, Inc. Chairback with side torsional movement
US5979984A (en) * 1997-10-24 1999-11-09 Steelcase Development Inc. Synchrotilt chair with forwardly movable seat
US6220661B1 (en) * 1999-04-19 2001-04-24 Steelcase Development Inc. Chair back and method of assembly
DE19754817A1 (de) * 1997-12-10 1999-06-17 Stoll Sedus Ag Rückenlehne
DE29802360U1 (de) 1998-02-12 1999-06-10 Vogtherr, Burkhard, Mulhouse Funktionsstuhl
EP0970637A1 (de) * 1998-07-07 2000-01-12 Provenda Marketing Ag Arbeitsstuhl mit Sitztiefenverstellung
JP3874392B2 (ja) 1998-07-09 2007-01-31 株式会社岡村製作所 椅子
WO2000022959A1 (de) * 1998-10-20 2000-04-27 Protoned B.V. Stuhlmechanik
WO2000078185A2 (en) * 1999-06-17 2000-12-28 Steelcase Inc. Chair construction
WO2001070074A1 (de) 2000-03-24 2001-09-27 Giroflex-Entwicklungs-Ag Sitz- und rückenlehnen-anordnung bei sitzmöbeln, insbesondere bürostühlen
US6406096B1 (en) 2000-03-31 2002-06-18 Shelby Williams Industries, Inc. Seat spring system
DE10026475A1 (de) * 2000-05-27 2001-12-06 Haworth Bueroeinrichtung Gmbh Stuhl
DE10194641T5 (de) * 2000-10-16 2005-04-07 Kokuyo Co., Ltd. Stuhl
DE10194640B4 (de) * 2000-10-16 2008-03-27 Kokuyo Co., Ltd. Stuhl
MXPA02005951A (es) * 2000-10-16 2003-10-14 Kokuyo Kk Silla.
US6739663B2 (en) * 2001-02-23 2004-05-25 Krueger International, Inc. Flexible bar-type back pivot mounting arrangement for a chair
US6623078B2 (en) * 2001-04-30 2003-09-23 First Source Furniture Group Llc Adjustable height chair arm supported on back upright
US6585320B2 (en) * 2001-06-15 2003-07-01 Virco Mgmt. Corporation Tilt control mechanism for a tilt back chair
US7014269B2 (en) * 2001-06-15 2006-03-21 Hon Technology Inc. Chair back construction
US6609755B2 (en) * 2001-06-15 2003-08-26 Hon Technology Inc. Ergonomic chair
US6565153B2 (en) * 2001-07-31 2003-05-20 Johnson Controls Technology Corporation Upper back support for a seat
DE10147021B4 (de) 2001-09-25 2004-12-23 Heyde, Marcus, Dipl.-Designer Gestell für ein Sitzmöbel
US20030127896A1 (en) * 2001-12-14 2003-07-10 Deimen Michael L. Chair with lumbar support and conforming back
US6517156B1 (en) * 2002-02-04 2003-02-11 Chang-Chen Lin Backrest structure for a leisure chair
US7249802B2 (en) 2002-02-13 2007-07-31 Herman Miller, Inc. Back support structure
JP2003265256A (ja) 2002-03-15 2003-09-24 Kokuyo Co Ltd 椅 子
DE10215285A1 (de) 2002-04-07 2003-10-16 Christian Erker Sitzschale mit Neigungs-Konturkoppelungsmechanismus
JP4159316B2 (ja) * 2002-07-17 2008-10-01 タカノ株式会社 背凭れの取付構造
US20040066075A1 (en) * 2002-10-07 2004-04-08 Chin-Chung Yeh Structure for adjusting backrest for collapsible chairs
US20040140701A1 (en) 2002-10-15 2004-07-22 Burkhard Schmitz Backrest for a seating structure with an adjustable sacral support
US6695403B1 (en) * 2002-12-14 2004-02-24 Tung-Hua Su Backrest supporting assembly
US6767066B1 (en) * 2003-01-09 2004-07-27 Patrician Furniture Co. Articulated chair for health care
ATE336187T1 (de) 2003-02-16 2006-09-15 Stoll Sedus Ag Rückenlehne
USD497264S1 (en) * 2003-09-29 2004-10-19 Steelcase S.A. Seat
US6843530B1 (en) * 2003-12-23 2005-01-18 Yao-Chuan Wu Multi-stage backrest assembly
US7273253B2 (en) * 2004-06-09 2007-09-25 Kimball International, Inc. Chair ride mechanism with tension assembly
US7396079B2 (en) * 2005-03-08 2008-07-08 Steelcase Inc. Seating with shape-changing back support frame
JP5002835B2 (ja) * 2005-10-27 2012-08-15 コクヨ株式会社 部材の接続構造
JP4945781B2 (ja) * 2005-11-11 2012-06-06 コクヨ株式会社 椅子
JP4747311B2 (ja) * 2005-11-11 2011-08-17 コクヨ株式会社 椅子
JP4614088B2 (ja) * 2005-11-11 2011-01-19 コクヨ株式会社 バネの取付構造
US7226127B1 (en) * 2005-12-21 2007-06-05 Tk Canada Limited Ergonomic chair backrest

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000023778A (ja) * 1998-07-09 2000-01-25 Okamura Corp 椅 子
JP2002119375A (ja) * 2000-10-16 2002-04-23 Kokuyo Co Ltd 椅 子
JP2002119366A (ja) * 2000-10-16 2002-04-23 Kokuyo Co Ltd 椅 子
JP2002119373A (ja) * 2000-10-16 2002-04-23 Kokuyo Co Ltd 椅 子
JP2002119357A (ja) * 2000-10-16 2002-04-23 Kokuyo Co Ltd 折り曲げリンク機構

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JP2011120933A (ja) 2011-06-23
JP2007143571A (ja) 2007-06-14
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US7862120B2 (en) 2011-01-04
CN1981671A (zh) 2007-06-20

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